A battery that maintains the time, date, hard disk and other configuration settings in the CMOS memory. CMOS batteries are small and are attached directly to the motherboard. See BIOS setup and batteries.
"CMOS battery." YourDictionary, n.d. Web. 11 October 2018. <http://www.yourdictionary.com/cmos-battery>.
CMOS battery. (n.d.). Retrieved October 11th, 2018, from http://www.yourdictionary.com/cmos-battery
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